86400533 has 2 divisors, whose sum is σ = 86400534. Its totient is φ = 86400532.

The previous prime is 86400527. The next prime is 86400679. The reversal of 86400533 is 33500468.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74615044 + 11785489 = 8638^2 + 3433^2 .

It is a cyclic number.

It is not a de Polignac number, because 86400533 - 2⁶ = 86400469 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86400496 and 86400505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86400233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43200266 + 43200267.

It is an arithmetic number, because the mean of its divisors is an integer number (43200267).

Almost surely, 2^86400533 is an apocalyptic number.

It is an amenable number.

86400533 is a deficient number, since it is larger than the sum of its proper divisors (1).

86400533 is an equidigital number, since it uses as much as digits as its factorization.

86400533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 86400533 is about 9295.1887016886. The cubic root of 86400533 is about 442.0846889039.

The spelling of 86400533 in words is "eighty-six million, four hundred thousand, five hundred thirty-three".